Home / 14,785.88-20,403.65-8,498.26

Finding the Fourth Proportional to 14,785.88, 20,403.65 and 8,498.26

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Solution

The fourth proportional to 14,785.88, 20,403.65 and 8,498.26 is: 11,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.88 : 20,403.65 = 8,498.26 : x
  2. Step 2: Convert to fraction form
    14,785.88/20,403.65 = 8,498.26/x
  3. Step 3: Cross multiply
    14,785.88x = 20,403.65 × 8,498.26
  4. Step 4: Simplify right side
    14,785.88x = 173,395,378.14
  5. Step 5: Solve for x
    x = 173,395,378.14/14,785.88
  6. Step 6: Final answer
    x = 11,727.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.